PROTECTIVE COATING ON A SUBSTRATE AND METHOD OF MAKING THEREOF

摘要

Disclosed herein is a crack-free protective coating comprising at least one of aluminum nitride, aluminum oxide, aluminum oxynitride or combinations thereof. Disclosed herein too is a method for making an articles comprising disposing a protective coating comprising at least one of aluminum nitride, aluminum oxide, aluminum oxynitride or combinations thereof upon a substrate comprising pyrolytic boron nitride, pyrolytic graphite and/or carbon doped boron nitride.